Invention Grant
- Patent Title: Passivated cement accelerator
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Application No.: US15113163Application Date: 2014-02-27
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Publication No.: US11352543B2Publication Date: 2022-06-07
- Inventor: Thomas Jason Pisklak , Pauline Akinyi Otieno , Kyriacos Agapiou , Samuel Jason Lewis
- Applicant: Halliburton Energy Services, Inc.
- Applicant Address: US TX Houston
- Assignee: Halliburton Energy Services, Inc.
- Current Assignee: Halliburton Energy Services, Inc.
- Current Assignee Address: US TX Houston
- Agency: C. Tumey Law Group PLLC
- Agent Thomas Rooney
- International Application: PCT/US2014/018910 WO 20140227
- International Announcement: WO2015/130284 WO 20150903
- Main IPC: E21B33/138
- IPC: E21B33/138 ; E21B33/14 ; C09K8/467 ; C04B28/18 ; E21B33/16 ; C04B28/34 ; C04B28/02 ; C04B22/00 ; C04B28/04 ; C04B103/20 ; C04B103/10 ; C04B103/00 ; C04B103/12 ; E21B36/00 ; E21B41/02 ; E21B43/14 ; E21B43/26

Abstract:
Cement compositions for primary cementing of well bores where a liquid mixture of pre-hydrated cementitious particles are combined with cement particles to form a cement composition. The pre-hydrated cementitious particles are encapsulated with the hydration product and are capable of being stored in a liquid for one day or longer
Public/Granted literature
- US20170002257A1 Passivated Cement Accelerator Public/Granted day:2017-01-05
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